CN209514964U - A kind of lever principle simulated experiment apparatus for demonstrating - Google Patents
A kind of lever principle simulated experiment apparatus for demonstrating Download PDFInfo
- Publication number
- CN209514964U CN209514964U CN201821673736.5U CN201821673736U CN209514964U CN 209514964 U CN209514964 U CN 209514964U CN 201821673736 U CN201821673736 U CN 201821673736U CN 209514964 U CN209514964 U CN 209514964U
- Authority
- CN
- China
- Prior art keywords
- hollow stem
- demonstrating
- simulated experiment
- lever principle
- counterweight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to simulated experiment apparatus for demonstrating technical fields, and disclose a kind of lever principle simulated experiment apparatus for demonstrating, including hollow stem, the top movable sleeve of the hollow stem is connected to telescopic rod, and the bottom end of hollow stem is fixedly installed with pedestal, storage trough is offered at the top of the pedestal, and the inside of storage trough is placed with counterweight, side at the top of the telescopic rod is fixedly installed with fixed block, and the back side fixing sleeve of fixed block is connected to fixed link, and the middle part movable sleeve of fixed link is connected to baffle, support rod is fixedly installed at the top of the baffle, limited position mechanism is fixedly mounted in the bottom end of the hollow stem inner cavity.The lever principle simulated experiment apparatus for demonstrating; pass through the mutual cooperation between pedestal, baffle, support rod and position-limit mechanism; it realizes and stores together counterweight and apparatus for demonstrating; so that counterweight do not allow it is easy to be lost; it avoids counterweight and carries out phenomena such as individually storage be easy to cause loss to damage, improve the protectiveness to counterweight.
Description
Technical field
The utility model relates to simulated experiment apparatus for demonstrating technical field, specially a kind of lever principle simulated experiment demonstration
Device.
Background technique
One of principle important in physical knowledge when lever principle demonstrates lever principle in the physics teaching of middle school student
The understanding lever principle that student is more vivid can be allowed, it is therefore desirable to use lever principle simulated experiment apparatus for demonstrating convenient for student
It is operated and is learnt, nowadays the counterweight in most apparatus for demonstrating is saved using individual box, is being deposited
Phenomena such as loss is easy to happen during putting, while apparatus for demonstrating will be connected between multiple counterweights by hook mostly
It connects, so that being easy to happen the deviation of data during experiment, and then influences the problem of final result obtains.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of lever principle simulated experiment apparatus for demonstrating, has
Convenient for counterweight is stored, the advantage that measurement data is stable, the counterweight solved in nowadays most apparatus for demonstrating is all
Phenomena such as being saved using individual box, being easy to happen loss during storage, while most apparatus for demonstrating is all
It is that will be attached between multiple counterweights by hook, so that being easy to happen the deviation of data during experiment, and then influences
The problem of final result obtains.
The utility model provides the following technical solutions: a kind of lever principle simulated experiment apparatus for demonstrating, including hollow stem, institute
The top movable sleeve for stating hollow stem is connected to telescopic rod, and the bottom end of hollow stem is fixedly installed with pedestal, opens at the top of the pedestal
Inside equipped with storage trough, and storage trough is placed with counterweight, and the side at the top of the telescopic rod is fixedly installed with fixed block, and solid
The back side fixing sleeve for determining block is connected to fixed link, and the middle part movable sleeve of fixed link is connected to baffle, the fixed peace in the top of the baffle
Equipped with support rod, limited position mechanism, the screw top set at the hollow stem back side is fixedly mounted in the bottom end of the hollow stem inner cavity
It is connected to threaded rod, and the threaded one end of threaded rod is socketed with nut；
The positive top movable of telescopic rod is socketed with motion bar, and the middle part fixing sleeve of motion bar is connected to balance plate,
The positive side of the balance plate offers four through slots, and the internal slide of four through slots is connected with sliding block, and the sliding block is just
Face is fixedly installed with pushing block, and pointer is fixedly installed at the top of pushing block, and the top movable of the balance plate is socketed with bolt, institute
The bottom for stating four through slots is fixedly connected with balanced line, and the bottom end of balanced line is fixedly connected with magnetic patch.
Preferably, the position-limit mechanism includes connecting rod, the both ends of the connecting rod respectively with hollow stem intracavity bottom
Two sides are fixedly connected, and movable sleeve is connected to U-shaped piece respectively at the both ends of connecting rod, and U-shaped piece of the side extends to hollow stem
Outside, two U-shaped piece of other sides are connected by the spring transmission in connecting rod.
Preferably, the front of the pedestal offers multiple storage troughs, and storage trough is of different sizes, the storage trough
Size is adapted with the size of counterweight.
Preferably, the front with the outer surface at the top of bolt of the pushing block are equipped with anti-skid chequer.
Preferably, the positive bottom of the telescopic rod is opened up there are four limit hole, and the spacing phase between four limit holes
Deng the outer diameter value of described threaded rod one end is adapted with the inner diameter values of limit hole.
Preferably, rubber pad is fixedly installed at the top of the support rod, and the shape of rubber pad is inverted trapezoidal.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, lever principle simulated experiment apparatus for demonstrating, by mutual between pedestal, baffle, support rod and position-limit mechanism
Cooperation, realizes and stores together counterweight and apparatus for demonstrating, so that counterweight is not allowed easy to be lost, avoids counterweight and is individually deposited
Phenomena such as be easy to causeing loss to damage is put, the protectiveness to counterweight is improved.
2, the lever principle simulated experiment apparatus for demonstrating is realized by the mutual cooperation between counterweight, balanced line and magnetic patch
Multiple counterweights are preferably linked together, so that the result finally obtained is more accurate, are avoided between multiple counterweights all
It is to be connected by hook, is easy to deviate the result finally obtained, improves the accuracy of measurement.
Detailed description of the invention
Fig. 1 is the utility model structure front schematic view；
Fig. 2 is the utility model structure position-limit mechanism schematic diagram；
Fig. 3 is the schematic top plan view of the utility model pier；
Fig. 4 is the enlarged diagram of the utility model structure sliding block.
In figure: 1, hollow stem；2, telescopic rod；3, pedestal；4, counterweight；5, fixed block；6, fixed link；7, baffle；8, it supports
Bar；9, position-limit mechanism；91, connecting rod；92, U-shaped piece；93, spring；10, threaded rod；11, nut；12, motion bar；13, it balances
Plate；14, four through slot；15, sliding block；16, pushing block；17, pointer；18, bolt；19, balanced line；20, magnetic patch.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of lever principle simulated experiment apparatus for demonstrating, including hollow stem 1, the top activity of hollow stem 1
It is socketed with telescopic rod 2, and the bottom end of hollow stem 1 is fixedly installed with pedestal 3, the top of pedestal 3 offers storage trough, and storage trough
Inside be placed with counterweight 4, the side at 2 top of telescopic rod is fixedly installed with fixed block 5, and the back side of fixed block 5 is fixedly attached
Have a fixed link 6, one end of fixed link 6 is through to the front of fixed block 5, and the middle part movable sleeve of fixed link 6 be connected to width value with
The equal baffle 7 of pedestal 3, the top of baffle 7 are fixedly installed with support rod 8, and the bottom end of 1 inner cavity of hollow stem is fixedly installed with limit
Mechanism 9, the screw top at 1 back side of hollow stem is socketed with threaded rod 10, and hollow stem 1 and telescopic rod are run through in one end of threaded rod 10
2 and screw thread be socketed with positioned at the positive nut 11 of hollow stem 1；
The positive top movable of telescopic rod 2 is socketed with motion bar 12, and the middle part fixing sleeve of motion bar 12 is connected to balance plate
13, the positive side of balance plate 13 offers four through slots 14, and the internal slide of four through slots 14 is connected with sliding block 15, sliding block 15
Front be fixedly installed with positioned at the positive pushing block 16 of balance plate 13, and the top of pushing block 16 is fixedly installed with pointer 17, balance
The top movable of plate 13 is socketed with bolt 18, and the bottom end of bolt 18 extends to the inside of four through slots 14 and the top with sliding block 15
It is threadedly coupled, the bottom of four through slots 14 is fixedly connected with balanced line 19, and the bottom end of balanced line 19 is fixedly connected with positioned at four-way
The magnetic patch 20 of 14 bottom of slot.
As shown in Fig. 2, position-limit mechanism 9 include connecting rod 91, the both ends of connecting rod 91 respectively with 1 intracavity bottom of hollow stem
Two sides are fixedly connected, and movable sleeve is connected to U-shaped piece 92 respectively at the both ends of connecting rod 91, and U-shaped piece 92 of side extends to hollow stem 1
Outside, two U-shaped piece 92 of the other side is sequentially connected by the spring 93 in connecting rod 91, is realized in U-shaped piece 92 of pressing
The bottom of U-shaped piece of 92 sides can be detached from out of 7 side of baffle card slot when the top of side, and baffle 7 is opened, and storage
Counterweight 4 inside object slot, which takes out, carries out simulated experiment.
As shown in figure 3, the front of pedestal 3 offers multiple storage troughs, and storage trough is of different sizes, the size of storage trough
It is adapted with the size of counterweight 4, realizes the inside that counterweight 4 can be directly deposited in storage trough, avoided the need for individual
Box is loaded, and convenience when counterweight 4 is stored is improved.
As shown in figure 4, the front of pushing block 16 and the outer surface at 18 top of bolt are equipped with anti-skid chequer, slided convenient for more preferable adjust
The position of block 15 is simultaneously fixed, so that the simplicity of the operating process of lever principle simulated experiment more.
The positive bottom of telescopic rod 2 is opened up there are four limit hole, and the spacing between four limit holes is equal, threaded rod 10
The outer diameter value of one end is adapted with the inner diameter values of limit hole, real convenient for preferably allowing the people of different altitude height to carry out lever reason
The operation tested, require to move to apparatus for demonstrating when avoiding each simulated experiment with the suitable height of operator, improve
The controllability of apparatus for demonstrating.
The top of support rod 8 is fixedly installed with rubber pad, and the shape of rubber pad is inverted trapezoidal, is realized in apparatus for demonstrating
Baffle 7 can be opened during experiment, so that support rod 8 is in contact to ground, so that apparatus for demonstrating is in experimentation
Middle bottom is more stable.
Nut 11 is backed out according to the height above sea level of operator first and extracts threaded rod 10 out by working principle, thus
The height for adjusting apparatus for demonstrating, threaded rod 10 is inserted into corresponding limit hole after adjusting and tightens nut 11 consolidated
It is fixed, it then presses U-shaped piece 92 and the bottom of U-shaped piece of 92 sides is detached from the card slot of 7 side of baffle, and the opening of baffle 7 is made
It obtains support rod 8 and ground touches, increase the stability of apparatus for demonstrating bottom, the counterweight of size then will be corresponded to inside storage trough
4 take out and are connect with the bottom of magnetic patch 20 by magnetism, and the bottom of every piece of counterweight 4 is equipped with magnet, is convenient for multiple counterweights 4
It is overlapped experiment, then moves state of the balance plate 13 in a balance that the position of two pushing blocks 16 makes, and record
The numerical value that pointer 17 is directed toward.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of lever principle simulated experiment apparatus for demonstrating, including hollow stem (1), it is characterised in that: the top of the hollow stem (1)
End movable sleeve is connected to telescopic rod (2), and the bottom end of hollow stem (1) is fixedly installed with pedestal (3), is opened at the top of the pedestal (3)
Inside equipped with storage trough, and storage trough is placed with counterweight (4), and the side at the top of the telescopic rod (2) is fixedly installed with fixation
Block (5), and the back side fixing sleeve of fixed block (5) is connected to fixed link (6), and the middle part movable sleeve of fixed link (6) is connected to baffle
(7), it is fixedly installed with support rod (8) at the top of the baffle (7), the bottom end of hollow stem (1) inner cavity is fixedly mounted limited
Position mechanism (9), the screw top at hollow stem (1) back side is socketed with threaded rod (10), and the threaded one end of threaded rod (10)
It is socketed with nut (11)；
The positive top movable of the telescopic rod (2) is socketed with motion bar (12), and the middle part fixing sleeve of motion bar (12) is connected to
The positive side of balance plate (13), the balance plate (13) offers four through slots (14), and the internal slide of four through slots (14)
It is connected with sliding block (15), the front of the sliding block (15) is fixedly installed with pushing block (16), and the top of pushing block (16) is fixedly mounted
Have pointer (17), the top movable of the balance plate (13) is socketed with bolt (18), and the bottom of four through slot (14) is fixed to be connected
It is connected to balanced line (19), and the bottom end of balanced line (19) is fixedly connected with magnetic patch (20).
2. a kind of lever principle simulated experiment apparatus for demonstrating according to claim 1, it is characterised in that: the position-limit mechanism
It (9) include connecting rod (91), the both ends of the connecting rod (91) are fixedly connected with the two sides of hollow stem (1) intracavity bottom respectively,
And movable sleeve is connected to U-shaped piece (92) respectively at the both ends of connecting rod (91), the side of U-shaped piece (92) extends to hollow stem (1)
Outside, the other side of two U-shaped piece (92) passes through spring (93) transmission connection on connecting rod (91).
3. a kind of lever principle simulated experiment apparatus for demonstrating according to claim 1, it is characterised in that: the pedestal (3)
Front offer multiple storage troughs, and storage trough is of different sizes, and the size of the storage trough and the size of counterweight (4) are mutually fitted
Match.
4. a kind of lever principle simulated experiment apparatus for demonstrating according to claim 1, it is characterised in that: the pushing block (16)
Front with bolt (18) at the top of outer surface be equipped with anti-skid chequer.
5. a kind of lever principle simulated experiment apparatus for demonstrating according to claim 1, it is characterised in that: the telescopic rod
(2) positive bottom is opened up there are four limit hole, and the spacing between four limit holes is equal, described threaded rod (10) one end
Outer diameter value is adapted with the inner diameter values of limit hole.
6. a kind of lever principle simulated experiment apparatus for demonstrating according to claim 1, it is characterised in that: the support rod
(8) rubber pad is fixedly installed at the top of, and the shape of rubber pad is inverted trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673736.5U CN209514964U (en) | 2018-10-16 | 2018-10-16 | A kind of lever principle simulated experiment apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673736.5U CN209514964U (en) | 2018-10-16 | 2018-10-16 | A kind of lever principle simulated experiment apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514964U true CN209514964U (en) | 2019-10-18 |
Family
ID=68192542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821673736.5U Active CN209514964U (en) | 2018-10-16 | 2018-10-16 | A kind of lever principle simulated experiment apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209514964U (en) |
-
2018
- 2018-10-16 CN CN201821673736.5U patent/CN209514964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203643240U (en) | Visual loading device for mechanics experiment of granular materials | |
| CN203849912U (en) | Multifunctional simple pendulum experiment table easy to use | |
| CN109708986A (en) | A kind of cloth wear resistance detection device | |
| CN209514964U (en) | A kind of lever principle simulated experiment apparatus for demonstrating | |
| CN206849344U (en) | A kind of teaching elasticity demonstration device | |
| CN203011579U (en) | Air spring detection device | |
| CN206411235U (en) | A kind of testing machine for service life of button | |
| CN209281701U (en) | A kind of elasticity demonstration device for physics teaching | |
| CN204791688U (en) | Lever is used in teaching | |
| CN204303225U (en) | The multi-functional mechanics apparatus for demonstrating of Physical Experiment | |
| CN214427152U (en) | Tension meter for tension test of elastic piece product | |
| CN205247723U (en) | Overweight weightless demonstration appearance | |
| CN201130457Y (en) | Simple pendulum experimental machine | |
| CN210123333U (en) | Elasticity coefficient measuring device for physical experiments | |
| CN211373806U (en) | Buffer type lower balance body | |
| CN204288616U (en) | A kind of spring Deformation Experiments apparatus for demonstrating | |
| CN209168493U (en) | A kind of physics teaching experiment with simple pendulum apparatus for demonstrating | |
| CN208637044U (en) | A kind of physical phenomenon instructional device | |
| CN209446242U (en) | A kind of knitwear elasticity measuring device | |
| CN203659285U (en) | Simple pendulum experiment demonstration device | |
| CN208187332U (en) | A kind of large scale structure deflection test device | |
| CN208547312U (en) | A kind of cubing detecting gas meter housing outer dimension | |
| CN206516185U (en) | A kind of acceleration of gravity experiment device for teaching | |
| CN209589799U (en) | A kind of portable pendulum tester of controllable oscillating bar length | |
| CN207051124U (en) | A kind of bending strength test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 130000 Liu Jia Xue Fang Tun, Xinxing village, Xinhu Town, Jingyue Development Zone, Changchun City, Jilin Province Patentee after: Changchun manshanli research practice education training school Co.,Ltd. Address before: Shouguang modern middle school, 3101 Jinhai Road, Shouguang City, Weifang City, Shandong Province 262700 Patentee before: Zhao Xiaobin |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230916 Address after: Room 1405-2, Building 1, Dafang Building, Intersection of Nanhuan City Road and Herong Road, Jingyue Development Zone, Changchun City, Jilin Province, 130119 Patentee after: Changchun Huicheng Technology Co.,Ltd. Address before: 130000 Liu Jia Xue Fang Tun, Xinxing village, Xinhu Town, Jingyue Development Zone, Changchun City, Jilin Province Patentee before: Changchun manshanli research practice education training school Co.,Ltd. |
|
| TR01 | Transfer of patent right |